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I may be a nostalgic old fool, but I don't see email going away soon. For one, an email address is (usually) a short, easily identified "place" where you can be reached. It can be easily communicated during a phone call, and messages can be easily sent by almost any type of hardware in common use, even those old "dumb" phones. Also, people are familiar and comfortable with it, which goes a long way towards keeping a technology in wide use. Not everyone likes Twitter, Facebook, et al, nor does everyone want to log onto Facebook all the time to look for messages from whoever. Plus, in the end, what is the difference between checking messages on Facebook vs. having a look at your Gmail account? I can name one: On Gmail no one asks me to water their bloody carrots or get involved in a so-called mafia war. Place me in the pro-email camp on this issue.